#include FT_FREETYPE_H
#include FT_GLYPH_H
-#ifdef SYS_DARWIN
+#ifdef __APPLE__
#define DEFAULT_FONT "/System/Library/Fonts/LucidaGrande.dfont"
#elif defined( SYS_BEOS )
#define DEFAULT_FONT "/boot/beos/etc/fonts/ttfonts/Swiss721.ttf"
static int pi_sizes[] = { 20, 18, 16, 12, 6 };
static char *ppsz_sizes_text[] = { N_("Smaller"), N_("Small"), N_("Normal"),
N_("Large"), N_("Larger") };
+#define YUVP_TEXT N_("Use yuvp renderer")
+#define YUVP_LONGTEXT N_("Render into paletized YUV. Needed to encode into dvbsubs")
+#define EFFECT_TEXT N_("Font Effect")
+#define EFFECT_LONGTEXT N_("Select effects to apply to rendered text")
+
+#define EFFECT_BACKGROUND 1
+#define EFFECT_OUTLINE 2
+#define EFFECT_OUTLINE_FAT 3
+
+static int pi_effects[] = { 1, 2, 3 };
+static char *ppsz_effects_text[] = { N_("Background"),N_("Outline"),
+ N_("Fat Outline") };
static int pi_color_values[] = {
0x00000000, 0x00808080, 0x00C0C0C0, 0x00FFFFFF, 0x00800000,
0x00FF0000, 0x00FF00FF, 0x00FFFF00, 0x00808000, 0x00008000, 0x00008080,
add_integer( "freetype-rel-fontsize", 16, NULL, FONTSIZER_TEXT,
FONTSIZER_LONGTEXT, VLC_FALSE );
change_integer_list( pi_sizes, ppsz_sizes_text, 0 );
+ add_integer( "freetype-effect", 2, NULL, EFFECT_TEXT,
+ EFFECT_LONGTEXT, VLC_FALSE );
+ change_integer_list( pi_effects, ppsz_effects_text, 0 );
+ add_bool( "freetype-yuvp", 0, NULL, YUVP_TEXT,
+ YUVP_LONGTEXT, VLC_TRUE );
set_capability( "text renderer", 100 );
add_shortcut( "text" );
set_callbacks( Create, Destroy );
uint8_t i_font_opacity;
int i_font_color;
int i_font_size;
+ int i_effect;
int i_default_font_size;
int i_display_height;
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Create( p_filter, "freetype-opacity",
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Create( p_filter, "freetype-effect",
+ VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_filter, "freetype-opacity", &val );
p_sys->i_font_opacity = __MAX( __MIN( val.i_int, 255 ), 0 );
var_Create( p_filter, "freetype-color",
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_filter, "freetype-color", &val );
p_sys->i_font_color = __MAX( __MIN( val.i_int, 0xFFFFFF ), 0 );
-
+ p_sys->i_effect = var_GetInteger( p_filter, "freetype-effect" );
+
/* Look what method was requested */
var_Get( p_filter, "freetype-font", &val );
psz_fontfile = val.psz_string;
#ifdef WIN32
GetWindowsDirectory( psz_fontfile, PATH_MAX + 1 );
strcat( psz_fontfile, "\\fonts\\arial.ttf" );
-#elif SYS_DARWIN
+#elif __APPLE__
strcpy( psz_fontfile, DEFAULT_FONT );
#else
msg_Err( p_filter, "user didn't specify a font" );
return VLC_SUCCESS;
}
+static void DrawBlack( line_desc_t *p_line, int i_width, subpicture_region_t *p_region, int xoffset, int yoffset )
+{
+ uint8_t *p_dst = p_region->picture.A_PIXELS;
+ int i_pitch = p_region->picture.A_PITCH;
+ int x,y;
+
+ for( ; p_line != NULL; p_line = p_line->p_next )
+ {
+ int i_glyph_tmax=0, i = 0;
+ int i_bitmap_offset, i_offset, i_align_offset = 0;
+ for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
+ {
+ FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
+ i_glyph_tmax = __MAX( i_glyph_tmax, p_glyph->top );
+ }
+
+ if( p_line->i_width < i_width )
+ {
+ if( p_region->i_text_align == SUBPICTURE_ALIGN_RIGHT )
+ {
+ i_align_offset = i_width - p_line->i_width;
+ }
+ else if( p_region->i_text_align != SUBPICTURE_ALIGN_LEFT )
+ {
+ i_align_offset = ( i_width - p_line->i_width ) / 2;
+ }
+ }
+
+ for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
+ {
+ FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
+
+ i_offset = ( p_line->p_glyph_pos[ i ].y +
+ i_glyph_tmax - p_glyph->top + 3 + yoffset ) *
+ i_pitch + p_line->p_glyph_pos[ i ].x + p_glyph->left + 3 +
+ i_align_offset +xoffset;
+
+ for( y = 0, i_bitmap_offset = 0; y < p_glyph->bitmap.rows; y++ )
+ {
+ for( x = 0; x < p_glyph->bitmap.width; x++, i_bitmap_offset++ )
+ {
+ if( p_glyph->bitmap.buffer[i_bitmap_offset] )
+ if( p_dst[i_offset+x] <
+ ((int)p_glyph->bitmap.buffer[i_bitmap_offset]) )
+ p_dst[i_offset+x] =
+ ((int)p_glyph->bitmap.buffer[i_bitmap_offset]);
+ }
+ i_offset += i_pitch;
+ }
+ }
+ }
+
+}
+
+/*****************************************************************************
+ * Render: place string in picture
+ *****************************************************************************
+ * This function merges the previously rendered freetype glyphs into a picture
+ *****************************************************************************/
+static int RenderYUVA( filter_t *p_filter, subpicture_region_t *p_region,
+ line_desc_t *p_line, int i_width, int i_height )
+{
+ static uint8_t pi_gamma[16] =
+ {0x00, 0x52, 0x84, 0x96, 0xb8, 0xca, 0xdc, 0xee, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+ uint8_t *p_dst_y,*p_dst_u,*p_dst_v,*p_dst_a;
+ video_format_t fmt;
+ int i, x, y, i_pitch, i_alpha;
+ uint8_t i_y, i_u, i_v; /* YUV values, derived from incoming RGB */
+ subpicture_region_t *p_region_tmp;
+
+ if( i_width == 0 || i_height == 0 )
+ return VLC_SUCCESS;
+
+ /* Create a new subpicture region */
+ memset( &fmt, 0, sizeof(video_format_t) );
+ fmt.i_chroma = VLC_FOURCC('Y','U','V','A');
+ fmt.i_aspect = 0;
+ fmt.i_width = fmt.i_visible_width = i_width + 6;
+ fmt.i_height = fmt.i_visible_height = i_height + 6;
+ fmt.i_x_offset = fmt.i_y_offset = 0;
+ p_region_tmp = spu_CreateRegion( p_filter, &fmt );
+ if( !p_region_tmp )
+ {
+ msg_Err( p_filter, "cannot allocate SPU region" );
+ return VLC_EGENERIC;
+ }
+
+ p_region->fmt = p_region_tmp->fmt;
+ p_region->picture = p_region_tmp->picture;
+ free( p_region_tmp );
+
+ /* Calculate text color components */
+ i_y = (uint8_t)__MIN(abs( 2104 * p_line->i_red + 4130 * p_line->i_green +
+ 802 * p_line->i_blue + 4096 + 131072 ) >> 13, 235);
+ i_u = (uint8_t)__MIN(abs( -1214 * p_line->i_red + -2384 * p_line->i_green +
+ 3598 * p_line->i_blue + 4096 + 1048576) >> 13, 240);
+ i_v = (uint8_t)__MIN(abs( 3598 * p_line->i_red + -3013 * p_line->i_green +
+ -585 * p_line->i_blue + 4096 + 1048576) >> 13, 240);
+ i_alpha = p_line->i_alpha;
+
+ p_dst_y = p_region->picture.Y_PIXELS;
+ p_dst_u = p_region->picture.U_PIXELS;
+ p_dst_v = p_region->picture.V_PIXELS;
+ p_dst_a = p_region->picture.A_PIXELS;
+ i_pitch = p_region->picture.A_PITCH;
+
+ /* Initialize the region pixels */
+ if( p_filter->p_sys->i_effect != EFFECT_BACKGROUND )
+ {
+ memset( p_dst_y, 0x00, i_pitch * p_region->fmt.i_height );
+ memset( p_dst_u, 0x80, i_pitch * p_region->fmt.i_height );
+ memset( p_dst_v, 0x80, i_pitch * p_region->fmt.i_height );
+ memset( p_dst_a, 0, i_pitch * p_region->fmt.i_height );
+ }
+ else
+ {
+ memset( p_dst_y, 0x0, i_pitch * p_region->fmt.i_height );
+ memset( p_dst_u, 0x80, i_pitch * p_region->fmt.i_height );
+ memset( p_dst_v, 0x80, i_pitch * p_region->fmt.i_height );
+ memset( p_dst_a, 0x80, i_pitch * p_region->fmt.i_height );
+ }
+ if( p_filter->p_sys->i_effect == EFFECT_OUTLINE ||
+ p_filter->p_sys->i_effect == EFFECT_OUTLINE_FAT )
+ {
+ DrawBlack( p_line, i_width, p_region, 0, 0);
+ DrawBlack( p_line, i_width, p_region, -1, 0);
+ DrawBlack( p_line, i_width, p_region, 0, -1);
+ DrawBlack( p_line, i_width, p_region, 1, 0);
+ DrawBlack( p_line, i_width, p_region, 0, 1);
+ }
+
+ if( p_filter->p_sys->i_effect == EFFECT_OUTLINE_FAT )
+ {
+ DrawBlack( p_line, i_width, p_region, -1, -1);
+ DrawBlack( p_line, i_width, p_region, -1, 1);
+ DrawBlack( p_line, i_width, p_region, 1, -1);
+ DrawBlack( p_line, i_width, p_region, 1, 1);
+
+ DrawBlack( p_line, i_width, p_region, -2, 0);
+ DrawBlack( p_line, i_width, p_region, 0, -2);
+ DrawBlack( p_line, i_width, p_region, 2, 0);
+ DrawBlack( p_line, i_width, p_region, 0, 2);
+
+ DrawBlack( p_line, i_width, p_region, -2, -2);
+ DrawBlack( p_line, i_width, p_region, -2, 2);
+ DrawBlack( p_line, i_width, p_region, 2, -2);
+ DrawBlack( p_line, i_width, p_region, 2, 2);
+
+ DrawBlack( p_line, i_width, p_region, -3, 0);
+ DrawBlack( p_line, i_width, p_region, 0, -3);
+ DrawBlack( p_line, i_width, p_region, 3, 0);
+ DrawBlack( p_line, i_width, p_region, 0, 3);
+ }
+
+ for( ; p_line != NULL; p_line = p_line->p_next )
+ {
+ int i_glyph_tmax = 0;
+ int i_bitmap_offset, i_offset, i_align_offset = 0;
+ for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
+ {
+ FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
+ i_glyph_tmax = __MAX( i_glyph_tmax, p_glyph->top );
+ }
+
+ if( p_line->i_width < i_width )
+ {
+ if( p_region->i_text_align == SUBPICTURE_ALIGN_RIGHT )
+ {
+ i_align_offset = i_width - p_line->i_width;
+ }
+ else if( p_region->i_text_align != SUBPICTURE_ALIGN_LEFT )
+ {
+ i_align_offset = ( i_width - p_line->i_width ) / 2;
+ }
+ }
+
+ for( i = 0; p_line->pp_glyphs[i] != NULL; i++ )
+ {
+ FT_BitmapGlyph p_glyph = p_line->pp_glyphs[ i ];
+
+ i_offset = ( p_line->p_glyph_pos[ i ].y +
+ i_glyph_tmax - p_glyph->top + 3 ) *
+ i_pitch + p_line->p_glyph_pos[ i ].x + p_glyph->left + 3 +
+ i_align_offset;
+
+ for( y = 0, i_bitmap_offset = 0; y < p_glyph->bitmap.rows; y++ )
+ {
+ for( x = 0; x < p_glyph->bitmap.width; x++, i_bitmap_offset++ )
+ {
+ if( p_glyph->bitmap.buffer[i_bitmap_offset] )
+ {
+ p_dst_y[i_offset+x] = ((p_dst_y[i_offset+x] *(255-(int)p_glyph->bitmap.buffer[i_bitmap_offset])) +
+ i_y * ((int)p_glyph->bitmap.buffer[i_bitmap_offset])) >> 8;
+
+ p_dst_u[i_offset+x] = i_u;
+ p_dst_v[i_offset+x] = i_v;
+
+ if( p_filter->p_sys->i_effect == EFFECT_BACKGROUND )
+ p_dst_a[i_offset+x] = 0xff;
+ }
+ }
+ i_offset += i_pitch;
+ }
+ }
+ }
+
+ /* Apply the alpha setting */
+ for( i = 0; i < fmt.i_height * i_pitch; i++ )
+ p_dst_a[i] = p_dst_a[i] * (255 - i_alpha) / 255;
+
+ return VLC_SUCCESS;
+}
+
/**
* This function renders a text subpicture region into another one.
* It also calculates the size needed for this string, and renders the
p_region_out->i_x = p_region_in->i_x;
p_region_out->i_y = p_region_in->i_y;
- Render( p_filter, p_region_out, p_lines, result.x, result.y );
+ if( config_GetInt( p_filter, "freetype-yuvp" ) )
+ Render( p_filter, p_region_out, p_lines, result.x, result.y );
+ else
+ RenderYUVA( p_filter, p_region_out, p_lines, result.x, result.y );
if( psz_unicode_orig ) free( psz_unicode_orig );
FreeLines( p_lines );
projects / vlc / blobdiff